<SEC-DOCUMENT>0001104659-23-030752.txt : 20230309
<SEC-HEADER>0001104659-23-030752.hdr.sgml : 20230309
<ACCEPTANCE-DATETIME>20230309213110
ACCESSION NUMBER:		0001104659-23-030752
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230307
FILED AS OF DATE:		20230309
DATE AS OF CHANGE:		20230309

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ugwumba Chidozie
		CENTRAL INDEX KEY:			0001835544

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36296
		FILM NUMBER:		23721452

	MAIL ADDRESS:	
		STREET 1:		158 FILMORE STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80206

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Carisma Therapeutics Inc.
		CENTRAL INDEX KEY:			0001485003
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				262025616
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3675 MARKET STREET
		STREET 2:		SUITE 200
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19104
		BUSINESS PHONE:		2674916422

	MAIL ADDRESS:	
		STREET 1:		3675 MARKET STREET
		STREET 2:		SUITE 200
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Sesen Bio, Inc.
		DATE OF NAME CHANGE:	20180516

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eleven Biotherapeutics, Inc.
		DATE OF NAME CHANGE:	20100223
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>tm238905-3_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
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<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-03-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001485003</issuerCik>
        <issuerName>Carisma Therapeutics Inc.</issuerName>
        <issuerTradingSymbol>CARM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001835544</rptOwnerCik>
            <rptOwnerName>Ugwumba Chidozie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3675 MARKET STEET,</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-03-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2215877</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2215877</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In connection with the merger of Sesen Bio, Inc. (&quot;Sesen Bio&quot;) and private company CARISMA Therapeutics Inc. (&quot;Carisma&quot;), pursuant to the Agreement and Plan of Merger and Reorganization dated as of September 20, 2022, as amended by the First Amendment thereto dated as of December 29, 2022 and the Second Amendment thereto dated as of February 13, 2023 (as amended, the &quot;Merger Agreement&quot;), which closed on March 7, 2023 (the &quot;Closing&quot;), (i) each share of Carisma common stock was converted into the right to receive 1.8994 shares of Sesen Bio common stock (the &quot;Exchange Ratio&quot;) and (ii) each outstanding and unexercised option to purchase shares of Carisma common stock converted into an option to purchase shares of Sesen Bio common stock, with necessary adjustments to reflect the Exchange Ratio but otherwise the same terms and conditions.</footnote>
        <footnote id="F2">The Exchange Ratio gives effect to the 1-for-20 reverse stock split of Sesen Bio's common stock. On the Closing date, the closing price of Sesen Bio common stock was $0.6288 (unadjuted). Upon Closing, Sesen Bio was renamed &quot;Carisma Therapeutics Inc.&quot;</footnote>
        <footnote id="F3">These shares are held of record by SymBiosis II, LLC, which exercises voting and investment control of the shares. The Reporting Person is the Managing Partner of Symbiosis II, LLC and as such has sole voting and investment control over the shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Richard Morris, as Attorney-in-Fact for Chidozie Ugwumba</signatureName>
        <signatureDate>2023-03-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
